hybrid Japanese Knotweed photo by ALJ
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Japanese Knotweed photo by ALJ
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Giant Knotweed photo by ALJ
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An Overlooked Hybrid Japanese Knotweed (Polygonum cuspidatum x sachalinense; POLYGONACEÆ) in North America
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The article An Overlooked Hybrid Japanese Knotweed co-written by Arthur Lee Jacobson and Peter F. Zika (shown in above photos), was published in the scholarly botanical journal Rhodora, Volume 105, Number 922, pages 143-152. The article gave details on the following abstract:
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A new combination is provided for the hybrid between Polygonum cuspidatum and P. sachalinense. The hybrid, Polygonum x bohemicum (J. Chrtek & A. Chrtkova) P.F. Zika & A.L. Jacobson, comb. nov., is widespread and invasive across North America. We illustrate the parents and hybrid, and supply a key to distinguish the three taxa.
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